Blood- borne biomarkers: Exploring the frontiers of minimally-invasive diagnosis of Alzheimer’s disease Sidra Afzal Fatima Jinnah Medical University , Lahore Minahil Fatima Fatima Jinnah Medical University, Lahore Nimra Afzal Anglia Ruskin University, United Kingdom DOI: https://doi.org/10.56310/pjns.v20i02.414 Published 2026-04-23 Issue Vol 20 No 02 (2025): July-December, 2025 Section Letter to the Editor